Effect of Direct Transcranial Stimulation by Continuous Current (Tdcs) in “Kiss Nightclub Fire” Patients with Post-Traumatic Stress Disorder: Phase II Controlled Clinical Trial
Bibliographic record
Abstract
Abstract BackgroundVictims of disasters can develop post-traumatic stress disorder (PTSD) in 30-40% of cases. Application of repetitive transcranial magnetic stimulation (rTMS) shown promising results in PTDS. Transcranial direct current stimulation (tDCS) similar to rTMS, which is a neuromodulation technique, has shown promise in treatment of neuropsychiatric disorders.MethodA clinical trial conducted from March/2015-July-2016 in “KISS nightclub fire” disaster patients diagnosed with PTSD without complete remission of symptoms, over 18-years and who maintained pharmacological treatment. Electrodes positioned as cathode (right DLPFC) and extra-cephalic anode (contralateral deltoid muscle.) A current of 2mA used for 25cm² area (0.08mA/cm² current density) 30min once a day, for 10 continuous days. Patients were assessed pre-intervention, post-intervention, 30-days’ and 90-days’ post-intervention. PTSD Checklist-Civilian version (PCL-C); Montreal Cognitive Assessment (MoCA); Hamilton Depression and Anxiety Rating Scale (HAM-D and HAM-A) were used.Results145 subjects were initially screened and eight analysed. 87,5% were female. 30.88±7.74 years were the mean age (ranging 23-44). post-intervention results demonstrate: no cognitive impairment (MoCA); 60% reduction in HAM-D scale (patients diagnose as moderate depression turns normal diagnosis) (p <0.001); 54.39% reduction in HAM-A scale (moderate to severe symptoms of anxiety patients turns mild symptoms) (p<0.001) and 20% decrease in PCL-C scale values (patients with high severity symptoms of PTSD turns moderate to moderately high severity symptoms) (p<0.001). Improvement in PTSD symptoms were maintained 30-days post-intervention (PCL-C, p= 0.025) and improvement in symptoms of depression (HAM-D, p=0.006) and anxiety (HAM-A, p= 0.028) in 90-days post-intervention.ConclusionDespite decrease over time, this improvement in PTSD, depression and anxiety symptoms was maintained throughout the first month after treatment. tDCS adjuvant can be an alternative treatment to refractory PTSD, either as a monotherapy or as a treatment enhancement strategy. They can also be an option for patients who do not want or do not tolerate pharmacological management.RBR-2qpv74b, 01/07/2021, “retrospectively registered” 03/03/2015.
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How this classification was reachedexpand
Direct model labels (unvalidated)
Per-model category and study-design labels from the labeling rounds. They are machine output, unvalidated, and the disagreement between models ships as data. No study design here is MEDLINE-validated yet.
| Model arm | Categories | Study design | Confidence |
|---|---|---|---|
| gemma | no category Domain: not available · Genre: Empirical About the Canadian research system: no · About a Canadian topic: no | Non-randomized trial | high |
| gpt | no category Domain: not available · Genre: Empirical About the Canadian research system: no · About a Canadian topic: no | Non-randomized trial | high |
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.007 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedLabeled directly by 2 models reading the full record.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".